Home / 77,823.49-107,412.47-50,633.55

Finding the Fourth Proportional to 77,823.49, 107,412.47 and 50,633.55

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Solution

The fourth proportional to 77,823.49, 107,412.47 and 50,633.55 is: 69,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,823.49 : 107,412.47 = 50,633.55 : x
  2. Step 2: Convert to fraction form
    77,823.49/107,412.47 = 50,633.55/x
  3. Step 3: Cross multiply
    77,823.49x = 107,412.47 × 50,633.55
  4. Step 4: Simplify right side
    77,823.49x = 5,438,674,670.37
  5. Step 5: Solve for x
    x = 5,438,674,670.37/77,823.49
  6. Step 6: Final answer
    x = 69,884.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.